A5018967285- Advanced battery technologies research
- X-ray Diffraction in Crystallography
- Crystallization and Solubility Studies
- Electrocatalysts for Energy Conversion
- Metalloenzymes and iron-sulfur proteins
- Advancements in Battery Materials
- Advanced Battery Materials and Technologies
- Perovskite Materials and Applications
- Ammonia Synthesis and Nitrogen Reduction
- Radical Photochemical Reactions
- Hydrogen Storage and Materials
- Catalytic Cross-Coupling Reactions
- Advanced Battery Technologies Research
- Crystallography and molecular interactions
- Supercapacitor Materials and Fabrication
- Electrochemical Analysis and Applications
- CO2 Reduction Techniques and Catalysts
- Catalytic C–H Functionalization Methods
- Layered Double Hydroxides Synthesis and Applications
- Asymmetric Hydrogenation and Catalysis
- Metal-Catalyzed Oxygenation Mechanisms
- Sulfur-Based Synthesis Techniques
- Membrane-based Ion Separation Techniques
- Inorganic Fluorides and Related Compounds
- Magnetism in coordination complexes
Harbin Institute of Technology
2025
Utah State University
2015-2024
Center for High Pressure Science and Technology Advanced Research
2020-2022
Beijing Normal University
2022
Pacific Northwest National Laboratory
2011-2020
Richland College
2013-2019
Battelle
2014-2015
Texas A&M University
2007-2014
Institute of Catalysis and Petrochemistry
2014
Physical Sciences (United States)
2014
Increasing worldwide energy demands and rising CO 2 emissions have motivated a search for new technologies to take advantage of renewables such as solar wind energies. Redox flow batteries (RFBs) with their high power density, efficiency, scalability (up MW MWh), safety features are one suitable option integrating sources overcoming intermittency. However, resource limitation system costs current RFB impede wide implementation. Here, total organic aqueous redox battery (OARFB) is reported,...
Redox flow batteries (RFBs) are a viable technology to store renewable energy in the form of electricity that can be supplied grids. However, widespread implementation traditional RFBs, such as vanadium and Zn-Br2 is limited due number challenges related materials, including low abundance high costs redox-active metals, expensive separators, active material crossover, corrosive hazardous electrolytes. To address these challenges, we demonstrate neutral aqueous organic redox battery (AORFB)...
A TEMPO-based non-aqueous electrolyte with the TEMPO concentration as high 2.0 m is demonstrated a high-energy-density catholyte for redox flow battery applications. With hybrid anode, Li|TEMPO cells using this deliver an energy efficiency of ca. 70% and impressively density 126 W h L(-1) .
Redox flow batteries (RFBs) are regarded a promising technology for large-scale electricity energy storage to realize efficient utilization of intermittent renewable energy. -active materials the most important components in RFB system because their physicochemical and electrochemical properties directly determine battery performance cost. Designable, tunable, potentially low-cost redox-active organic compounds alternatives traditional inorganic applications. Herein, representative designs...
Abstract Nonaqueous redox flow batteries hold the promise of achieving higher energy density because broader voltage window than aqueous systems, but their current performance is limited by low material concentration, cell efficiency, cycling stability, and density. We report a new nonaqueous all‐organic battery based on high concentrations materials, which shows significant, comprehensive improvement in performance. A mechanistic electron spin resonance study reveals that choice supporting...
Abstract Aqueous polysulfide/iodide redox flow batteries are attractive for scalable energy storage due to their high density and low cost. However, efficiency power usually limited by poor electrochemical kinetics of the reactions ions on graphite electrodes, which has become main obstacle practical applications. Here, CoS 2 /CoS heterojunction nanoparticles with uneven charge distribution, synthesized in situ felt a one-step solvothermal process, can significantly boost electrocatalytic...
Rechargeable magnesium batteries have attracted wide attention for energy storage. Currently, most studies focus on Mg metal as the anode, but this approach is still limited by properties of electrolyte and poor control plating/stripping processes. This paper reports synthesis application Bi nanotubes a high-performance anode material rechargeable ion batteries. The nanostructured delivers high reversible specific capacity (350 mAh/gBi or 3430 mAh/cm3Bi), excellent stability, Coulombic...
Redox flow batteries using synthetically tunable and resource abundant organic molecules have gained increasing attention for large-scale energy storage. Herein we report a sulfonate-functionalized viologen molecule, 1,1′-bis(3-sulfonatopropyl)-4,4′-bipyridinium, (SPr)2V, as an anolyte in neutral aqueous redox (AORFBs) functioning through cation charge-transfer mechanism. Demonstrated (SPr)2V/KI AORFBs manifested high current performance from 40 to 100 mA/cm2 with up 71% efficiency. In...
Rechargeable Mg batteries have been regarded as a viable battery technology for grid scale energy storage and transportation applications. However, the limited performance of Mg2+ electrolytes has primary technical hurdle to develop high density rechargeable batteries. In this study, MgCl2 is demonstrated non-nucleophilic cheap source in combination with Al Lewis acids (AlCl3, AlPh3 AlEtCl2) formulate series electrolytes, representing simplest method prepare conductive (no precursor...
A high voltage (1.38 V) total organic aqueous redox flow battery is reported using 1,1'-bis[3-(trimethylammonio)propyl]-4,4'-bipyridinium tetrachloride ((NPr)2V) as an anolyte and 4-trimethylammonium-TEMPO chloride (NMe-TEMPO) a catholyte. The exceptional radical stability of [(NPr)2V]+˙ enabled the in achieving 97.48% capacity retention for 500 cycles power density 128.2 mW cm-2.
Abstract Mg batteries are a promising energy storage system because of the physicochemical merits as an anode material. However, lack electrochemically and chemically stable electrolytes impedes development batteries. In this study, newly designed chloride‐free perfluorinated pinacolatoborate, Mg[B(O 2 C (CF 3 ) 4 ] (abbreviated Mg‐FPB ), was synthesized by convenient method from commercially available reagents fully characterized. The electrolyte delivered outstanding electrochemical...
The fully reversible FeIFeI ⇆ FeIFeII couple of an N-heterocyclic carbene dinuclear complex, (μ-pdt)[FeI(CO)2(PMe3)][FeI(CO)2(IMes)], complex D, has led to the isolation mixed-valent cationic Dox as a biomimetic 2Fe2S subsite oxidized H cluster in [FeFe]hydrogenase. During review this submission second was reported. As compared remarkable reorientation IMes NHC ligand enables (μ-pdt)[Fe(CO)2(PMe3)][Fe(CO)2(IMes)]+ cation, Dox, exist "rotated" structure, with structural and spectroscopic...
Magnesium battery is potentially a safe, cost-effective and high energy density technology for large scale storage. However, the development of magnesium has been hindered by limited performance lack fundamental understandings electrolytes. Here, we present study in understanding coordination chemistry Mg(BH4)2 ethereal solvents. The O donor denticity, i.e. ligand strength solvents which act as ligands to form solvated Mg complexes, plays significant role enhancing coulombic efficiency...
Abstract Extending the conjugation of viologen by a planar thiazolo[5,4‐d]thiazole (TTz) framework and functionalizing pyridinium with hydrophilic ammonium groups yielded highly water‐soluble π‐conjugation extended viologen, 4,4′‐(thiazolo[5,4‐d]thiazole‐2,5‐diyl)bis(1‐(3‐(trimethylammonio)propyl)pyridin‐1‐ium) tetrachloride, [(NPr) 2 TTz]Cl 4 , as novel two‐electron storage anolyte for aqueous organic redox flow battery (AORFB) applications. Its physical electrochemical properties were...
A nickel bis(diphosphine) complex containing pendant amines in the second coordination sphere, [Ni(P(Cy)2N(t-Bu)2)2](BF4)2 (P(Cy)2N(t-Bu)2 = 1,5-di(tert-butyl)-3,7-dicyclohexyl-1,5-diaza-3,7-diphosphacyclooctane), is an electrocatalyst for hydrogen oxidation. The addition of to Ni(II) gives three isomers doubly protonated Ni(0) [Ni(P(Cy)2N(t-Bu)2H)2](BF4)2. Using pKa values and Ni(II/I) Ni(I/0) redox potentials a thermochemical cycle, free energy [Ni(P(Cy)2N(t-Bu)2)2](2+) was determined be...
Instead of catalyzing electrochemical reduction N2, we found that tetragonal Mo2N undergoes decomposition and results in the generation ammonia. The present call urgent attention to need carefully evaluate catalytic nature dinitrogen reaction by nitrogen-containing materials.